Upgrades and error fixing in my existing Android app

PLEASE ONLY BID IF YOU CAN WORK FULL TIME (6-7 hours per day) PLEASE ONLY BID IF YOU CAN WORK WITH TEAM VIEWER.

My app is an android app written in java. The applicant should have knowledge of java and server side coding too. I want FULLTIME FREELANCER only working at least 7 hours a day for me. Want all the upgrades finished in an error free way AS SOON AS POSSIBLE.. MAJOR UPGRADES

1. Only 1 account per device No multiple email accounts

2. Fixing app crashes

3. Adding two adpartners

4. I want a automatic/manual switch for rewards from remote configuration. Where I can select automatic/manual rewards at will.

5. Firebase push notification is not working. I want one where a user gets notification as soon as they open the app before the user starts to use the app.

6. When I publish an update, user should get a notification when they open the app with update link in the notification. And the user should not be able to use the app unless they update.

There are 9 minor upgrades too. Minor upgrades are small design and text changes in the app which will take less than 10 mins per upgrade.

10 freelancers are bidding on average ₹170/hour for this job

Dear Sir or Madame,
I am a Java/Android developer with 5 years of experience. I received my masters degree from the Karlsruhe Institute of Technology, Germany. In the last few years I developed several android and Lagi

Hello,
Thank you very much for sharing your requirement to. I believe my skills set and experience surely meet up your requirement.
I am highly interested in discussing the requirement in detail. Please invite Lagi

Im experience with my duties I do it in experience quality You can contact with me on chat to understand your project and send to you an sample from my experience work and you can pay for me after you like my work

Hello Team
We have just checked out your app requirement and we are certain that we would be the suitable fit for this job as we have previously developed a number of Android and iOS applications and have more than Lagi